Datalogic Controller SC6000 Installation Manual download pdf (Page 71)

ACCEPTANCE TEST PROCEDURE

TEST PROCEDURE:

1. 200 test parcels will be assembled representing the average distribution of parcel size for

the appropriate array. This will vary according to location and is important in determining

the actual performance of the system in a live environment.

2. The bar codes will be scanned using bar code verifier with ANSI grading capability

according to the following procedure which is similar to the ANSI X3.182-1990 suggested

test procedure:

a. Each code will be scanned 5 times at 5 different points, which are equidistant along

the height of the bar.

b. The average ANSI grade of these scans will be computed by the verifier.

c. The bar code data and average ANSI grade of each of the 200 parcels will be

recorded. Both Purchaser and Supplier personnel must be present during the

validation of the ANSI bar code grades.

d. The number of actual parcels in the test deck will be noted and entered into the read

rate calculation program (in some situations it is not possible to assemble a test deck

of 200 parcels, the minimum acceptable number is 100 parcels).

e. Obviously defective bar codes which are scratched, missing elements, without quiet

zone, etc. will be excluded from the test deck during the collection process. Codes

which grade less than ANSI B will be excluded from the test deck at this point.

3. The parcels will be placed on the conveyor upstream from the array in groups of 25 in a

manner to simulate normal production being careful to avoid obscuring the bar code from

the reading station. The orientation of the bar code on each parcel will be noted. It is

much simpler if all the bar codes are oriented to the same side.

4. Each group of 25 will be run through the array and the read rate results will be recorded.

5. The bar codes, which fail to read, will be sent through the array singly 5 times. If the read

result on these parcels is 100%, it will be assumed that the bar code was obscured from

the reading station by movement of the parcels during transport to the reading station.

6. Any bar codes which fail to read and have an ANSI grade of less than “C” will be

discarded and the “no reads” due to these parcels removed from the overall read rate

results. All parcels were previously graded, however some damage to the bar code may

occur during transport.

7. The average of the 5 runs of 200 parcels each will be the computed read rate for the

Reading Station. Corrective action as necessary will be taken between runs of parcels.

8. The computed read rate must exceed ____% in order to pass this phase of the test.

9. The successful transfer of the data between the Reader and Host system will signify the

end of the Acceptance Test.

10. The Reader Acceptance Certificate will be filed with the Field Coordinator to indicate a

successful test.

RESULTS:

The result of the Acceptance Test for Individual Reading Stations will be a reading station

with known and tested reading performance that is interfaced properly to the Host system.

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Datalogic Controller SC6000 Installation Manual Page 71